Shoe sole



J. F. MARTIN.

sHoE soLE. APPLICATION FILED JUNE 25, 1919.

1,410,338. Patented Mar.- 21, 1922.

J Muffin.

UNITED STATES Paramg OFFICE.

J'OHN FRANK MARTIN, OF CHARLES TOWN, 'WEST VIRGINIA.

SHOE SOLE.

To all whom it may concern Be it known that I, JOHN FRANK MARTIN, a citizen of the United States, residing at Charles Town, in the county of Jefferson and State of West Virginia, have invented certain new and useful Improvements in Shoe Soles and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to new and useful improvements in shoe vsoles and has for one of its objects the provision of a sole having means for aiding in curing calluses, bunions, and corns on the bottom of the foot and which will prevent the formation of such when worn.

Another object of this invention is the provision of a depression adapted to permit flexing of the sole while walking or standing so as to form a cushion to the ball or tread portion of the foot.

A further object of this invention is the provision "of means for reinforcing the arch portion of the sole so as to prevent the same from sagging thereby relieving and preventing falling arches.

A still further object of this invention is the provision of reinforcing means having connection with the heel of the shoe so as to relieve lateral strain -on the fastening means of the heel to the shoe. l

A still further object of this invention is the provision of a shoe sole of the above stated character, which shall be simple, durable, and eficient, and which may be manufactured and sold at a comparatively low cost.

With these and other objects in view as will become more apparent as the description proceeds, the invention consists in cer-` tain novel features of construction, combinatlon, and arrangement of parts as will be hereinafter more fully described and claimed.

For a complete understanding of my invention, reference is to be had to the follow- "ing description and accompanying draw- Speeication of Letters Patent. Patented Mar, 21, 1922. Application led .Tune 25, 1919. Serial No. 306,548.

Figure 3 is a longitudinal sectional view illustrating the depression,

Figure 4 is a transverse sectional view taken through the depression, and

Figure 5 is a transverse sectional view take-n through the heel illustrating the connectlon of the same with the arch reinforcin means.

eferring in detail to the drawing, the numeral 1 indicates the sole of a shoe and lncludes a ball portion 2, an instep portion 3 anda heel portion 4. The sole 1 is adapted to be secured to the shoe upper 5 in the ordinary manner. A half sole 2 is secured 70 to the sole 1 and has formed in its outer face, a recess or depression 6. This depression or recess is formed by cutting away the outer face of the half sole so as to form the half sole at this point of a thinner nature while the outer edges 7 retain their usual thickness and forms a tread portion. By having the recess or depression, permits that portion of the sole to flex4 or bend under the weight of a person while standing or walking which forms a cushion to the ball portion of the foot thereby preventing corns, bunions and calluses and which will when worn on feet having such, will relieve the pressure thereon and thereby aid in curing the corns, bunions or calluses. An extension 8 is secured to the archl portion of the sole 1 and has its lower forward face inclined to communicate with the rear edge or end of the recess or depression 6 and is formed integrally with the half sole 2.

- The extension 8 is comparatively narrow and Vhas its rear end flared as illustrated at 9 to form a tenon adapted to fit within a dove-tail groove 10 formed in the forward edge of a heel 11. The heel 11 is secured to the heel portion of the sole 1 in any well known manner. having the extension fitting within the groove 10 will relieve all lateral strain upon said fastening means which Secures the heel to the sole. The medial portion of the extension 8 is approximately the same height as the heel 11, or in other words, the-lower edge or face of the extension is disposed in a plane with the lower` face of the heel so that when the heel contacts with the ground, the extension also contacts with the ground thereby supporting the arched portion 3 of the sole 1 preventing the same from iiexing which in turn aids in supporting falling arches and also preventing the arch of a footfrom falling. The

side of the extension 8 so as to let the flaredend contact With the ground.

From the foregoing description taken in connection with the accompanying drawings, it will be noted that a shoe sole constructed in vaccordance with the foregoing description will aid in preventing corns and calluses upon the ball portion of the foot and also will relieve such when a shoe constructed in accordance is worn. rllhe depression or recess 6 permitting that portion of the shoe sole to bend or Hex under the weight of the foot or person, thus relieving an eX- treme pressure upon that portion of the foot. lt is further to be noted that the extension 8 will reinforce vand support the arch of the sole thus preventing the same bending downwardly under Weight. i

While l have shown and described the preferred embodiment of my invention, it

will be understood that minor changes in construction, combination, and arrangement of parts fr may be made without departing from the spirit and scope of the invention as claimed.

Having y thus described my invention, what l claim is A shoe comprising a sole including tread, instep and heel portions of integral construction, a half-sole secured to the tread portion, an extension formed on the 'half sole and having one face bearing against the instep and its opposite face adapted to contact with the ground to support the instep portion, and having its ends reduced to form a tenon, and a heel secured to the heel portion and having a groove to receive the ten on and thereby form a detachable connection between the heel and the extension.

ln testimony whereof lt affix my signature in presence of two witnesses. t

JUHN FRANK MARTIN.

Witnesses:

1F. A. BROWN., ALEX. Srorswoon BANDRIDGE, 

